1. The Defendants shall jointly and severally serve as the Plaintiff KRW 304,462,781 and as a result, from September 8, 2018 to May 7, 2020.

1. Basic facts

A. The Plaintiff is a company that is entrusted with the authority to impose and collect management expenses by concluding an entrustment contract with the G building management body comprised of all sectional owners of the building in Gwangjin-gu Seoul Special Metropolitan City (hereinafter “instant condominium building”).

B. On July 26, 2018, the Defendants: (a) sold the instant aggregate building Nos. 6-H and I (hereinafter “instant real estate”) in a voluntary auction procedure; and (b) completed the registration of ownership transfer (Defendant B1/10, Defendant C, D, and E, respectively).

Article 6 (Rights and Duties of Sectional Owners) of the Regulations on Management Body shall have the following rights and duties:

5. The rights and obligations under Article 7 (Succession to Rights and Obligations) shall automatically be succeeded to the person who succeeds to the status of the owner due to a change in ownership on the registry.

Article 9 (Rights and Duties of Possessor)

2. The possessor shall have the same obligation to be borne by the sectional owner in relation to the use of the building, site or annex facilities according to the regulations or the meeting of the management body and the resolution of the representative committee;

Article 10 (Joint and Several Obligations) Obligations such as Management Expenses to be borne by sectional owners or occupants (hereinafter referred to as " sectional owners, etc.") to the management body or manager shall be jointly and severally liable by the relevant sectional owners, etc.

Article 47 (Contents of Management Expenses) The details of Management Expenses shall be as follows:

1. Expenses for electricity, gas, water supply and sewerage, heating and cooling, mutual assistance, etc. used directly by a sectional owner, etc., and various expenses classified by sectional owner, such as taxes and public charges, buildings, fire insurance premiums, charges for causing traffic congestion, and charges for public

2. Article 48, the calculation and imposition of management expenses under Article 48, which are incurred in the electricity, water supply and drainage, heating and cooling, mutual assistance, cleaning, cleaning, security, guidance, broadcasting, exchange, duty, safety management, welfare, etc. of common areas.